package com.example.test.activity;

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;

import com.example.test.R;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        System.out.println("hello");
        System.out.println("我的新的分支");
        System.out.println("我又更新了");
        System.out.println("再次更新");

        System.out.println("测试代码回滚");
    }
}